but the pentagon has told the obama administration it would require more than 75,000 soldiers to secure syria's chemical weapons stockpile. it's impossible to say exactly how much that would cost. but the price tag for that sort of operation could easily run into the billions of dollars. now, again, there is no indication at all that such an operation will happen any time soon. all this coming just days after president obama warned the syrian regime of consequences if it turned chemical weapons on its own citizens. and today secretary of state hillary clinton saying the world has made that perfectly clear to president bashar assad. >> we have sent an unmistakable message that this would cross a red line and those responsible would be held to account. >> activists saying at least 40,000 people have died in the antigovernment uprising that began last year. now evidence the blood shed is again seeping across another border into lebanon. gunmen loyal to the syrian regime and rebels fought it out on the streets in the northern part of that country. dozens reported dead in two days of fightin